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2020616 = 231319429
BaseRepresentation
bin111101101010100001000
310210122202122
413231110020
51004124431
6111150412
723114003
oct7552410
93718678
102020616
111160134
12815408
13559940
143a853a
1529da7b
hex1ed508

2020616 has 16 divisors (see below), whose sum is σ = 4080300. Its totient is φ = 932544.

The previous prime is 2020609. The next prime is 2020621. The reversal of 2020616 is 6160202.

It can be written as a sum of positive squares in 2 ways, for example, as 1464100 + 556516 = 1210^2 + 746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020594 and 2020603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9611 + ... + 9818.

22020616 is an apocalyptic number.

2020616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2020616 is an abundant number, since it is smaller than the sum of its proper divisors (2059684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020616 is a wasteful number, since it uses less digits than its factorization.

2020616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19448 (or 19444 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2020616 is about 1421.4837318802. The cubic root of 2020616 is about 126.4235348475.

Adding to 2020616 its reverse (6160202), we get a palindrome (8180818).

The spelling of 2020616 in words is "two million, twenty thousand, six hundred sixteen".

Divisors: 1 2 4 8 13 26 52 104 19429 38858 77716 155432 252577 505154 1010308 2020616